Fixing idle problems on Toyota 4AGE Engine (Fuel Mixture, Dirty Throttle, Vac Leaks, ISC Valve...)
How to trace and solve idle issues on your Toyota 4A-GE Engine (some may work for other Toyota Engines as well!)
Possible causes of wrong idle on your Toyota 4AGE engine can include:
1. Wrong idle adjustment screw tuning (check this video for a how-to on this subject: https://www.youtube.com/watch?v=qFpH9SmcxXY)
2. Too rich mixture (I show how to adjust the fuel mixture)
3. How to clean the throttle body
4. How to spot a vaccum leak
5. Wrong ignition timing (How to set ignition timing on a 4AGE Engine: https://www.youtube.com/watch?v=mqXa2DiSEX4 )
6. Wrong TPS (Throttle Position Sensor) tuning (See here how to set up your TPS correctly: https://www.youtube.com/watch?v=k7jS1y70S98 )
7. Stuck Idle Control Valve (IACV, ISCV or Idle Speed Control Valve).
Try this out, and don't forget to like and subscribe if you want more videos like this!
Видео Fixing idle problems on Toyota 4AGE Engine (Fuel Mixture, Dirty Throttle, Vac Leaks, ISC Valve...) канала João Rocha da Silva
Possible causes of wrong idle on your Toyota 4AGE engine can include:
1. Wrong idle adjustment screw tuning (check this video for a how-to on this subject: https://www.youtube.com/watch?v=qFpH9SmcxXY)
2. Too rich mixture (I show how to adjust the fuel mixture)
3. How to clean the throttle body
4. How to spot a vaccum leak
5. Wrong ignition timing (How to set ignition timing on a 4AGE Engine: https://www.youtube.com/watch?v=mqXa2DiSEX4 )
6. Wrong TPS (Throttle Position Sensor) tuning (See here how to set up your TPS correctly: https://www.youtube.com/watch?v=k7jS1y70S98 )
7. Stuck Idle Control Valve (IACV, ISCV or Idle Speed Control Valve).
Try this out, and don't forget to like and subscribe if you want more videos like this!
Видео Fixing idle problems on Toyota 4AGE Engine (Fuel Mixture, Dirty Throttle, Vac Leaks, ISC Valve...) канала João Rocha da Silva
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